Finding the Third Proportional to 529,107 and 798,430.50

Step by Step Solution

1. Step 1: Write the proportion equation
   529,107 : 798,430.50 = 798,430.50 : x
2. Step 2: Convert to fraction form
   529,107/798,430.50 = 798,430.50/x
3. Step 3: Cross multiply
   529,107x = 798,430.50 × 798,430.50
4. Step 4: Simplify right side
   529,107x = 637,491,263,330.25
5. Step 5: Solve for x
   x = 637,491,263,330.25/529,107
6. Step 6: Final answer
   x = 1,204,843.75